CN101695827A - Large-diameter high-speed cutting and high-speed heavy load grinding resin wheel - Google Patents
Large-diameter high-speed cutting and high-speed heavy load grinding resin wheel Download PDFInfo
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- CN101695827A CN101695827A CN200910234170A CN200910234170A CN101695827A CN 101695827 A CN101695827 A CN 101695827A CN 200910234170 A CN200910234170 A CN 200910234170A CN 200910234170 A CN200910234170 A CN 200910234170A CN 101695827 A CN101695827 A CN 101695827A
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Abstract
The invention discloses a large-diameter high-speed cutting and high-speed heavy load grinding resin wheel prepared from the following three components in percentage by weight: 60-72 percent of grinding materials, 18-25 percent of filling materials and 8-18 percent of resin, wherein the grinding materials in the wheel are film-coating calcined brown fused alumina, the filling materials comprise a heat conducting material and an active filling material, and the resin comprises a phenolic resin liquid and phenolic resin powder. The sand is produced by adopting the film-coating calcined brown fused alumina, which has good heat conduction property of metal plating, obviously strengthens the heat radiating effect of the wheel and prolongs the abrasive resistance and the service life of the wheel. In addition, the grinding materials have improved ball-milling flexibility after calcined, which enables the wheel to be durable and the property to be better. The wheel can be used for cutting hot-wire type steel with a diameter of over 100 mm or grinding the steel in a high-speed and heavy load way, and has long service life reaching 100-120min.
Description
Technical field
The present invention relates to a kind of machined with cutting and abrasive grinding wheel, especially for the resin wheel of large-diameter high-speed cutting with the high speed heavy load grinding.
Background technology
Large-diameter high-speed cutting resin emery wheel is meant diameter between Φ 1000mm～Φ 1800mm, and thickness is 10mm～16mm, and operating rate is that the glass fiber mesh of 80m/s～120m/s strengthens resin abrasive cutting wheel, and the resin of wherein selecting for use has better heat-resisting.This emery wheel is mainly used in the cutting of iron and steel enterprise's production fixed length thread like material, during cutting the temperature of steel between 400 ℃～600 ℃, cutting speed V 〉=100m/s.Under this condition of work, abrasive cut-off wheel should possess the intensity height, and good heat resistance cuts sharply, and heat conduction, thermal diffusivity are good, characteristics such as emery wheel durability height.
At present, domestic large-diameter high-speed cutting resin emery wheel mainly adopts the abrasive material of kinds such as fused alumina zirconia, brown corundum, single alundum, carborundum, is binding agent with phenolic resins, selects FeS for use
2, materials such as gypsum, ice crystal make filler, and are repressed, solidify and form.Because phenolic resins poor heat resistance, initial decomposition temperature is about 360 ℃, therefore, when cutting hot line section bar, thermal ablation is serious, abrasive particle comes off soon, emery wheel abrasion are big, and particularly during the major diameter hot line section bar more than cutting Φ 100mm, domestic emery wheel can't use, what adopt is external imported product always, costs an arm and a leg.
The high speed heavy load grinding resin wheel is meant that diameter is between Φ 500mm～Φ 1100mm, thickness is 35mm～120mm, operating rate is that glass fibre and the steel ring of 80m/s～120m/s strengthens resin wheel, working pressure is 2000N～10000N, and the resin of wherein selecting for use has better heat-resisting.This emery wheel is mainly used in the grinding of materials such as steel ingot that iron and steel enterprise produces, steel billet, steel plate.Emery wheel should possess the intensity height, good heat resistance, and grinding is sharp, and heat conduction, thermal diffusivity are good, characteristics such as emery wheel durability height, and the abrasive material that uses will possess high toughness.
At present, the abrasive material of kinds such as domestic main employing fused alumina zirconia, brown corundum, alumina alundum, microcrystal fused alumina, monocrystalline diamond spar, carborundum, as binding agent, select FeS with phenolic resins, novel phenolic resin, boron bakelite resin, polyurethane resin or hybrid resin etc. for use
2, materials such as gypsum, ice crystal, salt make filler, and are repressed, solidify and form.Because heavy load grinding wheel grinding pressure is bigger, therefore, in grinding process, thermal ablation is serious, and abrasive particle comes off soon, and the emery wheel abrasion are big, the short-life problem of domestic emery wheel ubiquity.
Summary of the invention
The technical problem to be solved in the present invention be overcome existing emery wheel at high temperature, at a high speed, easily ablate in the course of work under the heavy load conditions, abrasive particle comes off soon, the emery wheel abrasion are big defective, a kind of perfect heat-dissipating, wearability and service life improve, abrasive material toughness strengthens large-diameter high-speed cutting and high speed heavy load grinding resin wheel are provided.
Technical scheme of the present invention is: large-diameter high-speed cutting and high speed heavy load grinding resin wheel, by abrasive material, suppress after filler and the resin combination, curing forms, to be described abrasive materials burn for warm forging in 1100 ℃～1400 ℃ high temperature or 700 ℃～1000 ℃ its improvements, appearance has metal, the plating clothing calcination palm fibre corundum of metal oxide or both mixture coating, described filler is made up of heat filling and active filler, described resin is made up of liquid phenolic resin and phenol-formaldehyde resin powder, above-mentioned abrasive material, filler and the resin percentage by weight in three kinds of component total amounts is: abrasive material 60%～72%, filler 18%～25%, resin 8%～18%.
Further scheme is: the coating of described plating clothing calcination palm fibre corundum is Ni, Cu, Sn, Fe, Co, Cr, Ti, Feo, Feo
2, Fe
2o
3In the coating of one or more mixtures; Described heat filling is a kind of in Cu, Al, Fe, SiC, the graphite; Described active filler is FeS
2, Al
2S
3, ZnS, ZrF
4, CaF
2, Na
2AlF
6, Na
2SiF
6, K
2SiF
6In a kind of.
Emery wheel is in high-speed cutting or high speed heavy load grinding process, and the contact point of abrasive particle and workpiece can produce a large amount of heat, and the temperature of contact point is sharply raise, if heat can not distribute rapidly, can cause resin to ablate, abrasive particle comes off, cause emery wheel wearability and service life to be reduced, scrap very soon.The present invention selects for use plating clothing palm fibre corundum as abrasive material, because of abrasive surface coat of metal thermal conductivity factor height, the effect of heat filling in the emery wheel in addition, the heat that abrasive particle and workpiece contact point are produced is able to rapid transmission, in emery wheel rotates at a high speed with air generation heat exchange, thereby make the very fast reduction of emery wheel working position temperature, can not cause resin ablation and abrasive material to come off, reach and improve the emery wheel wearability and the remarkable result in service life.Probationary certificate, large-diameter high-speed cutting resin emery wheel durable heat temperature of the present invention is greater than 600 ℃, when the long 6m of cutting, large-diameter line structural section more than the Φ 100mm, its cutting steel material is greater than 90000kg, when cutting the line style steel below long 6m, the Φ 70mm, the cutting steel material is greater than 120000kg.The high speed heavy load grinding resin wheel grinding life-span of the present invention is brought up to 100～120min from original 60～90min.In addition, after palm fibre corundum process high temperature (1100 ℃～1400 ℃) or middle temperature (700 ℃～1100 ℃) calcination, its ball milling toughness obviously improves, with brown corundum F24 abrasive material is example, ball milling toughness without calcination is 45%～54%, ball milling toughness after the calcination is 65%～80%, and the raising of abrasive material toughness makes the emery wheel service behaviour better, more durable.
The specific embodiment
Further specify the present invention below by embodiment.
Embodiment one: get the raw materials ready by following component and consumption (percentage by weight):
Plating Cu calcination palm fibre corundum F16 15
Plating Cu calcination palm fibre corundum F20 35
Plating Cu calcination palm fibre corundum F24 10
Heat filling Al powder 10
Active filler K
2SiF
615
Liquid phenolic resin 6
Phenol-formaldehyde resin powder 9
Above-mentioned brown corundum abrasive obtains after plating clothing processing and high-temperature calcination by existing technology, by above-mentioned amount ratio varigrained abrasive material, filler are mixed, add the liquid phenolic resin mixing then, sieve, add phenol-formaldehyde resin powder again and mix and sieve, place 8～48h, after the stand is expected, is added glass fiber mesh, compression moulding on the 6000t press, through 185 ℃ of curing, get product.
Embodiment two: get the raw materials ready by following component and consumption (percentage by weight):
Plating Ni calcination palm fibre corundum F16 13
Plating Ni calcination palm fibre corundum F20 40
Plating Ni calcination palm fibre corundum F24 12
Heat filling SiC 12
Active filler Na
2SiF
68
Liquid phenolic resin 5
Phenol-formaldehyde resin powder 10
Above-mentioned brown corundum abrasive handles by existing technology plating clothing and middle warm forging burning back obtains, and emery wheel making technology is with example one.
Embodiment three: get the raw materials ready by following component and consumption (percentage by weight):
Plating Fe
2o
3Calcination palm fibre corundum F16 16
Plating Fe
2o
3Calcination palm fibre corundum F20 38
Plating Fe
2o
3Calcination palm fibre corundum F24 18
Heat filling Fe powder 10
Active filler Al
2S
38
Liquid phenolic resin 4
Phenol-formaldehyde resin powder 6
Above-mentioned brown corundum abrasive handles by existing technology plating clothing and middle warm forging burning back obtains, and emery wheel making technology is with example one.
Component and technology according to example one, example two, example three can be made Φ 1000mm～Φ 1800mm, the large-diameter high-speed cutting resin emery wheel of all size of thickness 10mm～16mm.
Embodiment four: get the raw materials ready by following component and consumption (percentage by weight):
Plating Cu-Ni-Sn calcination palm fibre corundum F8 16
Plating Cu-Ni-Sn calcination palm fibre corundum F10 34
Plating Cu-Ni-Sn calcination palm fibre corundum F12 12
Heat filling SiC 12
Active filler Na
2SiF
610
Liquid phenolic resin 6
Phenol-formaldehyde resin powder 10
Above-mentioned brown corundum abrasive obtains after plating clothing processing and high-temperature calcination by existing technology, by above-mentioned amount ratio, varigrained abrasive material, filler are mixed, add the liquid phenolic resin mixing then and sieve, add the phenol-formaldehyde resin powder mixing again and sieve, place 6～12h, after spreading out material, adding glass fibre, steel ring, compression moulding on the 6000t press through 185 ℃ of curing, gets product.
Embodiment five: get the raw materials ready by following component and consumption (percentage by weight):
Plating Fe
2o
3Calcination palm fibre corundum F8 20
Plating Fe
2o
3Calcination palm fibre corundum F10 36
Plating Fe
2o
3Calcination palm fibre corundum F12 12
Heat filling Al powder 14
Active filler K
2SiF
68
Liquid phenolic resin 4
Phenol-formaldehyde resin powder 6
Above-mentioned brown corundum abrasive handles by existing technology plating clothing and middle warm forging burning back obtains, and emery wheel making technology is with example four.
Embodiment six: get the raw materials ready by following component and consumption (percentage by weight):
Plating Ni calcination palm fibre corundum F8 26
Plating Ni calcination palm fibre corundum F10 28
Plating Ni calcination palm fibre corundum F12 10
Heat filling Fe powder 12
Active filler ZnS 8
Liquid phenolic resin 6
Phenol-formaldehyde resin powder 10
Above-mentioned brown corundum abrasive obtains after plating clothing processing and high-temperature calcination by existing technology, and emery wheel making technology is with example four.
Component and technology according to example four, example five, example six can be made Φ 500mm～Φ 1100mm, the high speed heavy load grinding resin wheel of all size of thickness 35mm～120mm.
Claims (4)
1. a large-diameter high-speed cuts and the high speed heavy load grinding resin wheel, by abrasive material, suppress after filler and the resin combination, curing forms, it is characterized in that described abrasive material burns for warm forging in 1100 ℃～1400 ℃ high temperature or 700 ℃～1000 ℃, appearance has metal, the plating clothing calcination palm fibre corundum of metal oxide or both mixture coating, described filler is made up of heat filling and active filler, described resin is made up of liquid phenolic resin and phenol-formaldehyde resin powder, above-mentioned abrasive material, filler and the resin percentage by weight in three kinds of component total amounts is: abrasive material 60%～72%, filler 18%～25%, resin 8%～18%.
2. by described large-diameter high-speed cutting of claim 1 and high speed heavy load grinding resin wheel, it is characterized in that: the coating of described plating clothing calcination palm fibre corundum is Ni, Cu, Sn, Fe, Co, Cr, Ti, Feo, Feo
2, Fe
2o
3In the coating of one or more mixtures.
3. by cutting of the described large-diameter high-speed of claim 1 and high speed heavy load grinding resin wheel, it is characterized in that: described heat filling is a kind of in Cu, Al, Fe, SiC, the graphite.
4. by described large-diameter high-speed cutting of claim 1 and high speed heavy load grinding resin wheel, it is characterized in that: described active filler is FeS
2, Al
2S
3, ZnS, ZrF
4, CaF
2, Na
2AlF
6, Na
2SiF
6, K
2SiF
6In a kind of.
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| CN2009102341705A CN101695827B (en) | 2009-10-15 | 2009-10-15 | Large-diameter high-speed cutting and high-speed heavy load grinding resin wheel |
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|---|---|---|---|
| CN2009102341705A CN101695827B (en) | 2009-10-15 | 2009-10-15 | Large-diameter high-speed cutting and high-speed heavy load grinding resin wheel |
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|---|---|
| CN101695827A true CN101695827A (en) | 2010-04-21 |
| CN101695827B CN101695827B (en) | 2011-05-18 |
Family
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|---|---|---|---|
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| CN102241957A (en) * | 2010-05-13 | 2011-11-16 | 李冰湜 | Manufacture formula of rail grinding wheel and manufacture method thereof |
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|---|---|
| CN101695827B (en) | 2011-05-18 |
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Owner name: SAINT-GOBAIN INNOVATIVE MATERIALS (JIANGYAN) CO., Effective date: 20121218 Owner name: SAINT-GOBAIN ABRASIVES (SHANGHAI) CO., LTD. Free format text: FORMER OWNER: JIANGSU NAI'ERJIAN GRINDING WHEEL CO., LTD. Effective date: 20121218 |
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Effective date of registration: 20121218 Address after: 200245 No. 198, Beidou Road, Minhang economic and Technological Development Zone, Shanghai Patentee after: Saint-Gobain Abrasives (Shanghai) Co., Ltd. Patentee after: Saint Gobain innovative materials (Jiangyan) Co. Ltd. Patentee after: Saint Gobain abrasives (Handan) Co., Ltd. Address before: 225500, Cao village, Jiangyan Town, Jiangyan City, Jiangsu Province, five Patentee before: Jiangsu Naierjian Grinding Wheel Co., Ltd. |
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Address after: 200245 No. 198, Beidou Road, Minhang economic and Technological Development Zone, Shanghai Patentee after: Saint-Gobain Abrasives (Shanghai) Co., Ltd. Patentee after: Saint Gobain innovative materials (Taizhou) Co. Ltd. Patentee after: Saint Gobain abrasives (Handan) Co., Ltd. Address before: 200245 No. 198, Beidou Road, Minhang economic and Technological Development Zone, Shanghai Patentee before: Saint-Gobain Abrasives (Shanghai) Co., Ltd. Patentee before: Saint Gobain innovative materials (Jiangyan) Co. Ltd. Patentee before: Saint Gobain abrasives (Handan) Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110518 Termination date: 20161015 |
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| CF01 | Termination of patent right due to non-payment of annual fee |